Chris J Dixon wrote:
Jethro_uk wrote:

Weren't there some public transport systems which used flywheels on the
trains instead of engines and had the engines in stations ? Until a
flywheel came loose ....

http://www.parrypeoplemovers.com/

Chris

An earlier implementation of the flywheel concept were a couple of bus
routes
https://en.m.wikipedia.org/wiki/Gyrobus

Surprising in a place where you would think anything abandoned would be
recycled fairly quickly one of the charging points of the system introduced
when the Town was Leopoldville in the Belgian Congo
was still in place till recently and may still be.

https://images.app.goo.gl/8CzWYtuKeNm1qJ64A

GH